How would you integrate (2+t)^2 / 1+t^2 dt Had a long uni break and now i'm trying to get back into it but i've forgotten a lot. Please show intermediate steps. I've tried integration by parts, is that the right way to tackle it?
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Note that: So: So your integral becomes: On the RHS, use a -sub for the second integral and should ring a bell for the third.
Thanks for that, the world needs more people like yourself. Just did it and got 2 ln|1+t^2| + 3tan^-1(t) + t + C
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